| 摘要 |
The main body of the operation section comprises a holding portion which can be gripped by a single hand, and a mounting surface to which are mounted operating buttons depressed in the direction of the axes thereof. The operating buttons are aligned in the direction of the axis of the holding portion. The axis of each of the operating buttons makes an angle of more than 90 DEG to 150 DEG with the axis of the holding portion as viewed from the holding portion. Also, the axes of the operating buttons get nearer toward the axis of the holding portion and make an acute angle. |
